-83.23% is the change from 483 to 81
Calculation steps:
[( 81 - 483 ) ÷ 483] x 100 = -83.23%
Formula
Percentage change = [(81 - 483) / 483] x 100
Subtract the new number by the original number
81 - 483 = -402
-402 ÷ 483 = -0.8322981366459627
-0.8322981366459627 x 100 = -83.23%